<template>
    <Mapbox :mapOnLoadCB="mapOnLoadCB"></Mapbox>
</template>

<script>
import {ref} from "vue"
import Mapbox from "@/components/common/Mapbox.component.vue"
import MapboxCommonService from "@/service/map/MapboxCommonService"

export default {
    name: "AddAnimatePoint.component",
    components: {Mapbox},
    setup() {

        let mapStore = ref({});
        let mapOnLoadCB = (map) => {
            mapStore.value = map;
            MapboxCommonService.setCZBP(map, [0, 0], 2)

            let radius = 20;
            const pointOnCircle = (angle) => {
                return {
                    "type": "Point",
                    "coordinates": [
                        Math.cos(angle) * radius,
                        Math.sin(angle) * radius
                    ]
                };
            }

            // Add a source and layer displaying a point which will be animated in a circle.
            map.addSource('point', {
                "type": "geojson",
                "data": pointOnCircle(0)
            });

            map.addLayer({
                "id": "point",
                "source": "point",
                "type": "circle",
                "paint": {
                    "circle-radius": 10,
                    "circle-color": "#007cbf"
                }
            });

            const animateMarker = (timestamp) => {
                // Update the data to a new position based on the animation timestamp. The
                // divisor in the expression `timestamp / 1000` controls the animation speed.
                map.getSource('point').setData(pointOnCircle(timestamp / 1000));

                // Request the next frame of the animation.
                requestAnimationFrame(animateMarker);
            }

            // Start the animation.
            animateMarker(0);
        };

        return {
            mapOnLoadCB
        }
    }
}
</script>

<style scoped>

</style>